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Stells [14]
3 years ago
8

What is the answer to this math problem -5+-3+2

Mathematics
2 answers:
Anit [1.1K]3 years ago
8 0

Answer:

-6

Step-by-step explanation:

Lera25 [3.4K]3 years ago
8 0

-6

have a <em><u>fabulous</u></em> day! <em><u>xoxo-</u></em>

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Five students visiting the student health center for a free dental examination during National Dental Hygiene Month were asked h
Andrews [41]

Answer:

[0.9 months, 32.69 months]

Step-by-step explanation:

The mean is

\bf \bar x=\frac{5+17+12+21+29}{5}=16.8

The standard deviation is

\bf s=\sqrt{\frac{(5-16.8)^2+(17-16.8)^2+(12-16.8)^2+(21-16.8)^2+(29-16.8)^2}{5}}=8.1092

Now, we have to find two values a and b such that the area under the Normal curve with mean 16.8 and standard deviation 8.1092 between a and b equals <em>95% = 0.95 </em>

Using a spreadsheet we find these values are

a = 0.906

b = 32.694

<h3>(See picture) </h3>

and our 95% confidence interval for the mean number of months elapsed since the last visit to a dentist for the population of students participating in the program rounded to two decimal places is

[0.9 months, 32.69 months]

4 0
3 years ago
What is the length of the side opposite the 60° angle?
Zina [86]

Answer: 90

Step-by-step explanation:

opposite side is 90

4 0
2 years ago
Read 2 more answers
To which sets of numbers does −1/4 belong? Select each correct answer.
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